Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

Skills you'll gain: Computer Vision, Convolutional Neural Networks, Transfer Learning, Model Evaluation, Machine Learning Methods, Classification Algorithms, Machine Learning Algorithms, Visualization (Computer Graphics), Deep Learning, Feature Engineering, Network Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Process Flow Diagrams, Business Process Modeling, Data Modeling, Microsoft Visio, Diagram Design, Business Process, Business Analysis, Data Flow Diagrams (DFDs)
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Model Evaluation, Predictive Modeling, Data Science, Analytical Skills, Data Analysis, Data Presentation, Data Collection, Data Storytelling, Data Cleansing, Statistical Analysis, Data Manipulation, Data Preprocessing, R Programming, Machine Learning, Natural Language Processing
Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Validation, Spreadsheet Software, Data Analysis, Analytics, Data Manipulation, Excel Formulas, Data Compilation, Pivot Tables And Charts, SQL, Data Integration, Data Transformation, User Feedback
Beginner · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Closing (Sales), Sales Prospecting, Selling Techniques, Sales Presentations, Overcoming Objections, Sales, Sales Process, Sales Strategy, Sales Pipelines, Customer Relationship Management (CRM) Software, Lead Generation, Negotiation, Business Ethics, Customer Engagement, Business Process Automation, Regulatory Compliance, Cultural Diversity
Beginner · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Laboratory Testing, Diagnostic Tests, Medical Terminology, Vital Signs, Clinical Practices, Clinical Experience, Patient Communication, Hospital Medicine, Patient Safety, Medication Administration, Intravenous Therapy, Anatomy, English Language
Beginner · Course · 1 - 3 Months

Skills you'll gain: A/B Testing, Pandas (Python Package), Matplotlib, Plotly, Data Visualization, Statistical Methods, GitHub, Data Manipulation, Version Control, Statistical Analysis, Data Science, Python Programming, NumPy, Data Analysis, Jupyter, Programming Principles, Data Cleansing, Exploratory Data Analysis, Scripting
Beginner · Course · 1 - 3 Months

Skills you'll gain: General Data Protection Regulation (GDPR), Information Privacy, Personally Identifiable Information, Data Security, Data Governance, Data Ethics, Data Integrity, Vulnerability Assessments, Law, Regulation, and Compliance, Big Data, Cryptography
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: SQL, Data Analysis, Seaborn, Exploratory Data Analysis, Analytics, Data Visualization, Data Visualization Software, Matplotlib, Data Storage, Pandas (Python Package), Big Data, Data Science, Data Management, Data Manipulation, Data Cleansing, NumPy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Key Management, Encryption, Amazon CloudWatch, Amazon Web Services, AWS Identity and Access Management (IAM), Cloud Security, Event Monitoring, Continuous Monitoring, Security Information and Event Management (SIEM), Data Security, Advanced Encryption Standard (AES), System Monitoring, Amazon S3, Incident Response
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Database Design, Database Theory, Database Management, Relational Databases, Databases, Database Architecture and Administration, Database Management Systems, SQL, NoSQL, Data Modeling, Unified Modeling Language, Query Languages, Data Integrity, Data Manipulation, Performance Tuning
Build toward a degree
Mixed · Course · 1 - 3 Months

Lecturio
Skills you'll gain: Molecular Biology, Biochemistry, Cell Biology, Pharmacology, Biology
Intermediate · Course · 1 - 4 Weeks